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  <a name="ZH-CN_TOPIC_0000001792360690"></a><a name="ZH-CN_TOPIC_0000001792360690"></a>
  <h1 class="topictitle1">恢复NAS共享</h1>
  <div>
   <p>当需要对已备份的NAS共享进行恢复时，可以参考本节恢复NAS共享至原位置或新位置。</p>
   <div class="section">
    <h4 class="sectiontitle">背景信息</h4>
    <p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p13356226151412"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text143181219121420">本产品</span>支持使用备份副本、复制副本（不支持恢复至原位置）进行恢复，支持恢复至原位置或新位置。</p>
   </div>
   <div class="section">
    <h4 class="sectiontitle">前提条件</h4>
    <ul>
     <li id="ZH-CN_TOPIC_0000001792360690__li632210479486">如果将NAS共享恢复到新位置，需要先将新位置的NAS共享，或者NAS共享所在的存储设备注册到<span id="ZH-CN_TOPIC_0000001792360690__text5542395141">本产品</span>。支持的存储设备类型如下所示。
      <ul id="ZH-CN_TOPIC_0000001792360690__ul571916508480">
       <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001253534369_li984654311123">OceanStor Dorado 6.x</li>
       <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001253534369_li374214321505">OceanStor 6.x</li>
       <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001253534369_li177631111101216">OceanStor V5</li>
       <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001253534369_li3357311117">OceanStor Pacific</li>
       <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001253534369_li157481128412">NetApp ONTAP</li>
       <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li72988389413">OceanProtect 1.3.0及之后版本</li>
      </ul></li>
     <li id="ZH-CN_TOPIC_0000001792360690__li17945216184613">如果将NAS共享恢复到新位置，需要先在新位置的存储设备侧为<span id="ZH-CN_TOPIC_0000001792360690__text11734103918143">本产品</span>配置访问权限。详细操作请参见<a href="zh-cn_topic_0000001839239777.html">步骤5：配置访问权限</a>。操作时，请为目标NAS共享配置客户端或者增加用户。</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">操作步骤</h4>
    <ol>
     <li id="ZH-CN_TOPIC_0000001792360690__li0198134611381"><span>选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_uicontrol1387642214492">“<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_text18761122134919">数据利用</span> &gt; <span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_text087662214918">副本数据</span> &gt; 文件系统 &gt; <span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_text2897115217345">NAS共享</span>”</span>。</span><p></p>
      <div class="note" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_note1634925131911">
       <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
       <div class="notebody">
        <p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_p1934182521913">对于1.5.0版本，请选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_uicontrol08045348196">“<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_text980410346197">数据利用</span> &gt; <span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_text4804183441910">副本数据</span> &gt; 文件服务 &gt; <span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001839142377_text20804834141911">NAS共享</span>”</span>。</p>
       </div>
      </div> <p></p></li>
     <li id="ZH-CN_TOPIC_0000001792360690__li87691438131514"><span>支持以NAS共享资源维度或以副本维度查找副本，本节以NAS共享资源维度为例进行说明。</span><p></p><p id="ZH-CN_TOPIC_0000001792360690__p142551140161511">在“<span id="ZH-CN_TOPIC_0000001792360690__text6827103218214">资源</span>”页签，根据NAS共享名称查找到需要恢复的NAS共享，并单击NAS共享名称。</p> <p></p></li>
     <li><span>在<span class="uicontrol" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_uicontrol1812414562220">“<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text18993182162710">副本数据</span>”</span>页面，依次选择年、月、天找到副本。</span><p></p><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p9918150182310">当时间上显示<span><img id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_image886000161711" src="zh-cn_image_0000001792520510.png"></span>，即表示该月、该天存在副本。</p> <p></p></li>
     <li><span>在副本所在的行，单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_uicontrol4705161613273">“<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text04951528155216">更多</span> &gt; <span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text12444191814117">恢复</span>”</span>。</span></li>
     <li><span>恢复NAS共享至原位置或新位置。</span><p></p>
      <ul>
       <li>恢复至原位置。<p>相关参数说明如<a href="#ZH-CN_TOPIC_0000001792360690__table1452025982813">表1</a>所示。</p>
        <div class="tablenoborder">
         <a name="ZH-CN_TOPIC_0000001792360690__table1452025982813"></a><a name="table1452025982813"></a>
         <table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001792360690__table1452025982813" frame="border" border="1" rules="all">
          <caption>
           <b>表1 </b>恢复至原位置参数说明
          </caption>
          <colgroup>
           <col style="width:13.569999999999999%">
           <col style="width:86.42999999999999%">
          </colgroup>
          <thead align="left">
           <tr>
            <th align="left" class="cellrowborder" valign="top" width="13.569999999999999%" id="mcps1.3.4.2.5.2.1.1.2.2.3.1.1"><p>参数</p></th>
            <th align="left" class="cellrowborder" valign="top" width="86.42999999999999%" id="mcps1.3.4.2.5.2.1.1.2.2.3.1.2"><p>说明</p></th>
           </tr>
          </thead>
          <tbody>
           <tr>
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p><span>位置</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p>NAS共享所在的位置，用户无法修改。</p></td>
           </tr>
           <tr>
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.1 "><p><span>覆盖规则</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.1.2.2.3.1.2 "><p>当恢复路径中存在同名文件时，选择替换或跳过已存在的文件。</p>
             <ul>
              <li><span>直接替换已经存在的文件</span></li>
              <li><span>忽略已存在的文件</span></li>
              <li><span>只替换比恢复文件更旧的文件</span></li>
             </ul></td>
           </tr>
          </tbody>
         </table>
        </div></li>
       <li>恢复至新位置。<p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p11534449568">当恢复到<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text205342413565">OceanStor V5</span>、OceanStor Pacific或者NetApp ONTAP时，相关参数说明如<a href="#ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_table429861453516">表2</a>所示。</p>
        <div class="tablenoborder">
         <a name="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_table429861453516"></a><a name="zh-cn_topic_0000001792520482_table429861453516"></a>
         <table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_table429861453516" frame="border" border="1" rules="all">
          <caption>
           <b>表2 </b>恢复至<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text41511140164620">OceanStor V5</span>、OceanStor Pacific或者NetApp ONTAP参数说明
          </caption>
          <colgroup>
           <col style="width:13.569999999999999%">
           <col style="width:86.42999999999999%">
          </colgroup>
          <thead align="left">
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row52983141358">
            <th align="left" class="cellrowborder" valign="top" width="13.569999999999999%" id="mcps1.3.4.2.5.2.1.2.2.2.3.1.1"><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p122986140353">参数</p></th>
            <th align="left" class="cellrowborder" valign="top" width="86.42999999999999%" id="mcps1.3.4.2.5.2.1.2.2.2.3.1.2"><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p11298161410353">说明</p></th>
           </tr>
          </thead>
          <tbody>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row6298111453515">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p32981214183518"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text39588511825">存储设备</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p729821403516">选择新位置所在的存储设备。</p></td>
           </tr>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row1029851483514">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p762893413379"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text196281634143718">共享名称</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p14714026125917">选择访问文件系统的共享名称。如果没有可用的共享，单击“<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text5566635860">注册</span>”添加新的NAS共享。注册NAS共享的参数说明请参见<a href="zh-cn_topic_0000001839239733.html#ZH-CN_TOPIC_0000001839239733__table1929515516558">表1</a>。</p>
             <div class="note" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_note7377042194715">
              <span class="notetitle"> 说明： </span>
              <div class="notebody">
               <ul id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_ul1132413149512">
                <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li232417146518"><span style="color:#282B33;">对于NFS共享，请确认当前设备具备NFS共享目录的读写权限，并且开启了no_root_squash选项。</span>配置NFS共享访问权限的详细操作，请参见<a href="zh-cn_topic_0000001839239777.html">步骤5：配置访问权限</a>。</li>
                <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li77121156195115">对于CIFS共享，请确认当前设备具备CIFS共享目录的读写权限，推荐使用Administrator组中的用户进行备份，否则只能备份具有读写权限的文件和目录。配置CIFS共享访问权限的详细操作，请参见<a href="zh-cn_topic_0000001839239777.html">步骤5：配置访问权限</a>。</li>
               </ul>
              </div>
             </div></td>
           </tr>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row1429861403513">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p1725084223716"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text511919259597">覆盖规则</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.2.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p172501042153719">当恢复路径中存在同名文件时，选择替换或跳过已存在的文件。</p>
             <ul id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_ul15250642173717">
              <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li52501642173711"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text14250042193711">直接替换已经存在的文件</span></li>
              <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li15250154283711"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text52507424377">忽略已存在的文件</span></li>
              <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li22501342183719"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text32501742143716">只替换比恢复文件更旧的文件</span></li>
             </ul></td>
           </tr>
          </tbody>
         </table>
        </div> <p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p575142274713">当恢复到OceanStor Dorado 6.x、OceanStor 6.x或OceanProtect 1.3.0及之后的版本时，相关参数说明如<a href="#ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_table1248313820599">表3</a>所示。</p>
        <div class="tablenoborder">
         <a name="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_table1248313820599"></a><a name="zh-cn_topic_0000001792520482_table1248313820599"></a>
         <table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_table1248313820599" frame="border" border="1" rules="all">
          <caption>
           <b>表3 </b>恢复至OceanStor Dorado 6.x、OceanStor 6.x或OceanProtect 1.3.0及之后的版本参数说明
          </caption>
          <colgroup>
           <col style="width:13.569999999999999%">
           <col style="width:86.42999999999999%">
          </colgroup>
          <thead align="left">
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row11483193805910">
            <th align="left" class="cellrowborder" valign="top" width="13.569999999999999%" id="mcps1.3.4.2.5.2.1.2.4.2.3.1.1"><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p2483038105916">参数</p></th>
            <th align="left" class="cellrowborder" valign="top" width="86.42999999999999%" id="mcps1.3.4.2.5.2.1.2.4.2.3.1.2"><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p1848315382597">说明</p></th>
           </tr>
          </thead>
          <tbody>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row24832387591">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p184831838105914"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text1101128315">存储设备</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p34832038185915">选择新位置所在的存储设备。</p></td>
           </tr>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row109613391603">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p296173915011"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text1142018124715">文件系统</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p11961539300">选择恢复目标文件系统。</p></td>
           </tr>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row14831738155917">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p17483133819598"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text048343865913">共享名称</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p548353845910">选择恢复目标文件系统的共享名称。</p>
             <div class="note" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_note1948363816595">
              <span class="notetitle"> 说明： </span>
              <div class="notebody">
               <ul id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001792520482_ul1132413149512">
                <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001792520482_li232417146518"><span style="color:#282B33;">对于NFS共享，请确认当前设备具备NFS共享目录的读写权限，并且开启了no_root_squash选项。</span>配置NFS共享访问权限的详细操作，请参见<a href="zh-cn_topic_0000001839239777.html">步骤5：配置访问权限</a>。</li>
                <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001792520482_li77121156195115">对于CIFS共享，请确认当前设备具备CIFS共享目录的读写权限，推荐使用Administrator组中的用户进行备份，否则只能备份具有读写权限的文件和目录。配置CIFS共享访问权限的详细操作，请参见<a href="zh-cn_topic_0000001839239777.html">步骤5：配置访问权限</a>。</li>
               </ul>
              </div>
             </div></td>
           </tr>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row1714584812014">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p12122205945614"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text1397720005718">FQDN/IP</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p544819190110">访问NAS共享的FQDN名称或者业务IP地址。</p> <p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p93211640135712">FQDN名称格式为<em id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001839239733_i1721710819358">NAS共享所在的存储设备名称</em>.<em id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001839239733_i12733111103514">存储设备所加入域的域名</em>。如NAS共享所在的存储设备名称为Huawei.Storage，存储设备所加入域的域名为huawei.com，则FQDN名称为Huawei.Storage.huawei.com。</p>
             <div class="note" id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_note995915611582">
              <span class="notetitle"> 说明： </span>
              <div class="notebody">
               <p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001839239733_p53320310365">如果需要填写FQDN名称，请在<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001839239733_text45421758151311">本产品</span>设备管理界面配置DNS服务，使<span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_zh-cn_topic_0000001839239733_text4110125920135">本产品</span>可以访问外部域名地址。配置DNS服务的详细操作，请参见<a href="zh-cn_topic_0000001839159813.html">配置DNS服务</a>。</p>
              </div>
             </div></td>
           </tr>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row1491611520010">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p174486195120"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text194481191816">认证方式</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p13448419814">文件系统的认证方式。当备份副本选择的共享协议为CIFS时，展示此选项。参数说明请参见<a href="zh-cn_topic_0000001839239733.html#ZH-CN_TOPIC_0000001839239733__table1929515516558">表1</a>。</p></td>
           </tr>
           <tr id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_row7790162212312">
            <td class="cellrowborder" valign="top" width="13.569999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.1 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p0147287236"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text1914142822316">覆盖规则</span></p></td>
            <td class="cellrowborder" valign="top" width="86.42999999999999%" headers="mcps1.3.4.2.5.2.1.2.4.2.3.1.2 "><p id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_p141432810238">当恢复路径中存在同名文件时，选择替换或跳过已存在的文件。</p>
             <ul id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_ul20141228152311">
              <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li514152818236"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text51462812236">直接替换已经存在的文件</span></li>
              <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li51410281238"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text114428122313">忽略已存在的文件</span></li>
              <li id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_li171452822313"><span id="ZH-CN_TOPIC_0000001792360690__zh-cn_topic_0000001792520482_text141482813232">只替换比恢复文件更旧的文件</span></li>
             </ul></td>
           </tr>
          </tbody>
         </table>
        </div></li>
      </ul> <p></p></li>
     <li><span>单击<span class="uicontrol">“<span>确定</span>”</span>。</span></li>
    </ol>
   </div>
  </div>
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    <div class="parentlink">
     <strong>父主题：</strong> <a href="zh-cn_topic_0000001792360730.html">恢复</a>
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